Wireless speaker



1. Wireless speaker

1.1 is a front perspective view of a wireless speaker;

1.2 is a front view thereof;

1.3 is a back view thereof;

1.4 is a left view thereof where the right view is a mirror image;

1.5 is a top view thereof; and,

1.6 is a bottom view thereof.

The broken lines depict portions of the wireless speaker that form no part of the claimed design. 

CLAIM The ornamental design for a wireless speaker, as shown and described. 